1-(1H-pyrazol-5-yl)ethan-1-one hydrochloride

1-(1H-吡唑-5-基)乙基-1-酮盐酸盐

Also known as: 1-(1H-PYRAZOL-5-YL)ETHAN-1-ONE HYDROCHLORIDE, 1-((1H)-Pyrazol-5-yl)ethan-1-oneHCl, 1-(1H-Pyrazol-5-yl)ethanone hydrochloride, 1-(1H-Pyrazol-5-yl)ethanone hydrochloride (1:1), 1-(2H-Pyrazol-3-yl)ethanone hydrochloride, 5-ACETYLPYRAZOLE HYDROCHLORIDE, 5-Acetyl-1H-pyrazole hydrochloride, BUTTPARK 43\57-75, Ethanone, 1-(1H-pyrazol-5-yl)-, hydrochloride (1:1)

1-(1H-pyrazol-5-yl)ethan-1-one hydrochloride (CAS 175277-40-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H7ClN2O and a molecular weight of 146.575 g/mol. It is also known as 1-(1H-PYRAZOL-5-YL)ETHAN-1-ONE HYDROCHLORIDE, 1-((1H)-Pyrazol-5-yl)ethan-1-oneHCl and 1-(1H-Pyrazol-5-yl)ethanone hydrochloride. Key properties include a melting point of 150ºC, a boiling point of 277.7ºC at 760mmHg, a density of 1.19g/cm3 and a flash point of 125.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

175277-40-4

Jingsj CID

J-1488442-1

Molecular Formula

C₅H₇ClN₂O

Chinese Name

1-(1H-吡唑-5-基)乙基-1-酮盐酸盐

Molecular Weight

146.575 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026